#myalarm{
    width: 500px;
    height: 270px;
    border: 1px dashed #f0f;
    text-align: center;
    color: coral;
    margin: 10px;
    padding: 50px 0;
}
#myalarm div{
    font-size: 54px;
    margin:20px 0;
}
#myalarm b{
    font-size: 18px;
    display: block;
    margin:0 0 10px 0;
}